In LaTeX 2.09, only document styles could have options such as
twoside or draft. In LaTeX2e, both classes and packages are
allowed to have options. For example, to specify a two-sided article
with graphics using the dvips driver, you write:

\documentclass[twoside]{article}
\usepackage[dvips]{graphics}

It is possible for packages to share common options. For example,
you could, in addition, load the color package by specifying: